Across
- 5. the product of thrust times duration over motor burn time
- 7. every action has an equal and opposite reation
- 9. force equals mass times acceleration
- 10. push suddenly or violently in the specified direction
- 12. A force acting opposite to the relative motion of any object.
- 14. center of all drag forces acting upon a rocket
- 15. takeoff especially the vertical takeoff of a rocket or helicopter
- 16. the speed of something in a given direction
- 17. moving unsteadily or violently
Down
- 1. Objects at rest will stay at rest and objects in motion will stay in motion in a straight line unless acted upon by an unbalanced force.
- 2. a cylindrical projectile that can be propelled to a great height or distance by the combustion of its content
- 3. leading figure in the development of rocket technology
- 4. a small rocket engine on a spacecraft
- 6. H.Goddard who successfully developed and launched the first liquid fueled rocket
- 8. all mass appears to be concentrated at the center
- 11. taking place along constant streamlines not turbulent
- 13. capable of propelling something